Alert archive / Massachusetts / Special Weather Statements in 2014

Special Weather Statement, NWS Boston/Norton, MA

July 27, 2014Worcester County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jul 27, 2014, 5:23 PM EDT for Worcester County, Massachusetts. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 27, 2014, 5:23 PM EDT (21:23 UTC)
Expired
Jul 27, 2014, 6:00 PM EDT
In force
37 min
Issued by
NWS Boston/Norton, MA

County Worcester County, MA

The radar

The Boston radar (KBOX), 108 km from the middle of the area, began a volume at 21:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.4 hours before the alert went out and 146 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2014-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2014-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
257 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this special weather statement went out at Jul 27, 4:18 PM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Jul 27, 4:18 PM EDT, 1 hour 5 minutes before
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Hazardous weather outlook, Jul 27, 4:27 PM EDT, 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
427 PM EDT SUN JUL 27 2014

CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-282030-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
427 PM EDT SUN JUL 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...WESTERN MASSACHUSETTS...SOUTHERN NEW
HAMPSHIRE...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...TONIGHT.

AN ISOLATED STRONG TO SEVERE THUNDERSTORM IS POSSIBLE EARLY THIS
EVENING ACROSS WESTERN CT/MA INTO SOUTHWEST NH. DAMAGING WINDS AND
LARGE HAIL ARE THE MAIN THREATS. THERE MAY ALSO BE LOCALLY HEAVY
DOWNPOURS RESULTING IN URBAN AND POOR DRAINAGE FLOODING.

MORE WIDESPREAD SHOWERS WITH EMBEDDED THUNDER WILL DEVELOP TOWARD
MORNING WITH LOCALLY HEAVY RAINFALL AND POSSIBLE MINOR FLOODING.
AN ISOLATED STRONG THUNDERSTORM IS POSSIBLE TOWARD MORNING.

PATCHY DENSE FOG ARE POSSIBLE TONIGHT...ESPECIALLY ALONG THE SOUTH
AND SOUTHEAST COAST.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS ARE LIKELY MONDAY AFTERNOON. SOME THUNDERSTORMS MAY
PRODUCE STRONG TO DAMAGING WIND GUSTS...AS WELL AS LOCALLY HEAVY
DOWNPOURS RESULTING IN URBAN AND POOR DRAINAGE FLOODING. THE
GREATEST RISK FOR THIS IS ACROSS CENTRAL AND NORTHEAST
MASSACHUSETTS INTO SOUTHERN NH.

AREAS OF DENSE FOG ARE POSSIBLE MONDAY MORNING...ESPECIALLY
ACROSS SOUTH AND SOUTHEAST COASTAL NEW ENGLAND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-251-254>256-282030-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND-
427 PM EDT SUN JUL 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS
AND RHODE ISLAND COASTAL WATERS.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE ACROSS THE WATERS TOWARD DAYBREAK
MONDAY. SOME OF THESE STORMS MAY PRODUCE WIND GUSTS IN EXCESS OF
GALE FORCE. HEAVY RAIN IS ALSO POSSIBLE WHICH MAY LEAD TO POOR
VISIBILITIES.

POOR VISIBILITY IN DENSE FOG IS POSSIBLE TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS ARE POSSIBLE ACROSS THE WATERS MONDAY MORNING AND
AGAIN MID TO LATE MONDAY AFTERNOON. SOME OF THESE STORMS MAY
PRODUCE WIND GUSTS IN EXCESS OF GALE FORCE. HEAVY RAIN IS ALSO
POSSIBLE WHICH MAY LEAD TO POOR VISIBILITIES.

IN ADDITION...POOR VISIBILITY IN DENSE FOG IS POSSIBLE MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

In the hours before

Special weather statement, Jul 27, 1:52 PM EDT, 3 hours 31 minutes before
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Local storm report, Jul 27, 2:36 PM EDT, 2 hours 47 minutes before
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Local storm report, Jul 27, 3:19 PM EDT, 2 hours 4 minutes before
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Special weather statement, Jul 27, 4:23 PM EDT, 1 hour before
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Local storm report, Jul 27, 4:51 PM EDT, 32 minutes before
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Special weather statement, Jul 27, 5:23 PM EDT, 0 minutes before
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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 11:00 AM EDTSpecial Weather StatementBOXHampden45 min
Jul 27, 11:32 AM EDTSpecial Weather StatementBOXHampden, Hampshire43 min
Jul 27, 11:41 AM EDTAreal Flood AdvisoryBOXHampden, Hampshire64 min
Jul 27, 1:01 PM EDTSpecial Weather StatementBOXWorcester44 min
Jul 27, 1:10 PM EDTSpecial Weather StatementBOXMiddlesex50 min
Jul 27, 1:20 PM EDTAreal Flood AdvisoryBOXMiddlesex, Norfolk, Worcester55 min
Jul 27, 1:41 PM EDTAreal Flood AdvisoryBOXEssex, Middlesex, Suffolk64 min
Jul 27, 1:52 PM EDTSpecial Weather StatementBOXMiddlesex38 min
Jul 27, 2:09 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex17 min
Jul 27, 2:38 PM EDTAreal Flood AdvisoryBOXEssex52 min
Jul 27, 4:23 PM EDTSpecial Weather StatementBOXBerkshire52 min
Jul 27, 4:47 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire58 min
Jul 27, 5:38 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire52 min
Jul 27, 5:50 PM EDTAreal Flood AdvisoryBOXHampden, Hampshire3 hr
Jul 27, 6:23 PM EDTSevere Thunderstorm WarningBOXHampden52 min
Jul 27, 6:24 PM EDTSmall Craft Advisory for Hazardous SeasBOX49 hr
Jul 27, 6:31 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester59 min
Jul 27, 7:10 PM EDTFlash Flood WarningBOXHampden3 hr
Jul 27, 7:17 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region, Northeastern Connecticut Planning Region58 min
Jul 27, 7:47 PM EDTAreal Flood AdvisoryBOXCapitol Planning Region, Northeastern Connecticut Planning Region118 min

Nearby

Special Weather Statements in Massachusetts, 2014Every special weather statement in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.